EPFL scientists have been able to measure the ultrashort time delay in electron photoemission without using a clock. The discovery has important implications for fundamental research and cutting-edge technology.
General Physics
Feb 8, 2017
4
2519
Could graphene turn light to electricity? Scientists have shown that graphene can convert a single photon into multiple electrons, showing much promise for future photovoltaic devices.
Nanophysics
Jan 19, 2015
16
380
The expression “beauty’s only skin-deep” has often been applied to the chemistry of materials because so much action takes place at the surface. However, for many of the materials in today’s high technologies, ...
General Physics
Aug 25, 2011
1
0
Scientists can now look deeper into new materials to study their structure and behavior, thanks to work by an international group of researchers led by UC Davis and the Lawrence Berkeley National Laboratory and published ...
Nanophysics
Aug 16, 2011
0
0
Research in quantum materials is paving the way for groundbreaking discoveries and is poised to drive technological advancements that will redefine the landscapes of industries like mining, energy, transportation, and medtech.
Condensed Matter
Mar 12, 2024
0
47
An international research team led by Professors Tsuneyuki Ozaki and François Légaré at the Institut national de la recherche scientifique (INRS), has developed a unique method to enhance the power of a laser source emitting ...
Optics & Photonics
Mar 30, 2023
0
1
Physicists at The University of Texas at Arlington have developed a new technique that can measure the properties of the topmost atomic layer of materials without including information from the underlying layers.
General Physics
Nov 11, 2022
0
19
Recently, the Kagome superconductors AV3Sb5 (A = K, Rb and Cs) have attracted enormous attention due to their novel phenomena and rich physics. They exhibit unconventional charge density wave (CDW), giant anomalous Hall effect ...
Superconductivity
Feb 18, 2022
0
289
Metal-halide perovskites form a popular class of materials with intriguing optoelectronic properties. A fundamental understanding of the variations in the energy levels positions, as a function of the materials composition, ...
Materials Science
Jun 6, 2019
0
2
The chemical potential is a fundamental concept in condensed matter physics. While the relevant equations which define it can be found in any undergraduate physics textbook, its temperature dependence in systems which are ...
General Physics
May 24, 2017
0
7
